RE: I need some advice for x86_64-pc-mingw32 va_list calling convention (in i386.c)

["Menezes, Evandro" <evandro dot menezes at amd dot com>]

See http://msdn2.microsoft.com/en-us/library/ms235286(VS.80).aspx.

HTH

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_______________________________________________________
Evandro Menezes               AMD            Austin, TX

 

> -----Original Message-----
> From: gcc-owner@gcc.gnu.org [mailto:gcc-owner@gcc.gnu.org] On 
> Behalf Of Kai Tietz
> Sent: Friday, February 23, 2007 04:33
> To: gcc
> Subject: I need some advice for x86_64-pc-mingw32 va_list 
> calling convention (in i386.c)
> 
> Hi,
> 
> I am currently on a mingw32 port for x86_64. It is operatable 
> and I am 
> allready able to generate the crt-stuff and have some needed 
> import-libraries.
> Executables are linkable and executeable, but wildcard 
> methods are leading 
> to wrong execution, as found out.
> I detected, that the MS-ABI does not support SSE or MMX 
> argument passing 
> (as gcc does for x86_64). Therefore I search some advice about the 
> enforcement of passing (sse,mmx) registers passing via the standard 
> integer registers (for MS they are ecx,edx,r9) and via stack.
> The current patch for supporting this x86_64-targer I 
> allready posted to 
> gcc-patch.
> 
> I would be very pleased, if somebody could give me a hint 
> about the patch 
> needed.
> 
> Thank you very much,
>  i.A. Kai Tietz
> 
> 
> 
> 
>